Vulnerability-Lookup

CNVD-2021-50166

Vulnerability from cnvd - Published: 2021-07-13

Title

Fortinet FortiMail存在未明漏洞

Description

Fortinet FortiMail是美国飞塔（Fortinet）公司的一套电子邮件安全网关产品。该产品提供电子邮件安全防护和数据保护等功能。 Fortinet FortiMail存在安全漏洞，允许未经身份验证的攻击者拦截加密消息，使得篡改和恢复明文成为可能。

Severity

中

Patch Name

Fortinet FortiMail存在未明漏洞的补丁

Patch Description

Fortinet FortiMail是美国飞塔（Fortinet）公司的一套电子邮件安全网关产品。该产品提供电子邮件安全防护和数据保护等功能。 Fortinet FortiMail存在安全漏洞，允许未经身份验证的攻击者拦截加密消息，使得篡改和恢复明文成为可能。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://www.fortiguard.com/psirt/FG-IR-21-003

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-26100

Impacted products

Name
Fortinet FortiMail <7.0.0

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-26100"
    }
  },
  "description": "Fortinet FortiMail\u662f\u7f8e\u56fd\u98de\u5854\uff08Fortinet\uff09\u516c\u53f8\u7684\u4e00\u5957\u7535\u5b50\u90ae\u4ef6\u5b89\u5168\u7f51\u5173\u4ea7\u54c1\u3002\u8be5\u4ea7\u54c1\u63d0\u4f9b\u7535\u5b50\u90ae\u4ef6\u5b89\u5168\u9632\u62a4\u548c\u6570\u636e\u4fdd\u62a4\u7b49\u529f\u80fd\u3002\n\nFortinet FortiMail\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u5141\u8bb8\u672a\u7ecf\u8eab\u4efd\u9a8c\u8bc1\u7684\u653b\u51fb\u8005\u62e6\u622a\u52a0\u5bc6\u6d88\u606f\uff0c\u4f7f\u5f97\u7be1\u6539\u548c\u6062\u590d\u660e\u6587\u6210\u4e3a\u53ef\u80fd\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://www.fortiguard.com/psirt/FG-IR-21-003",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-50166",
  "openTime": "2021-07-13",
  "patchDescription": "Fortinet FortiMail\u662f\u7f8e\u56fd\u98de\u5854\uff08Fortinet\uff09\u516c\u53f8\u7684\u4e00\u5957\u7535\u5b50\u90ae\u4ef6\u5b89\u5168\u7f51\u5173\u4ea7\u54c1\u3002\u8be5\u4ea7\u54c1\u63d0\u4f9b\u7535\u5b50\u90ae\u4ef6\u5b89\u5168\u9632\u62a4\u548c\u6570\u636e\u4fdd\u62a4\u7b49\u529f\u80fd\u3002\r\n\r\nFortinet FortiMail\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u5141\u8bb8\u672a\u7ecf\u8eab\u4efd\u9a8c\u8bc1\u7684\u653b\u51fb\u8005\u62e6\u622a\u52a0\u5bc6\u6d88\u606f\uff0c\u4f7f\u5f97\u7be1\u6539\u548c\u6062\u590d\u660e\u6587\u6210\u4e3a\u53ef\u80fd\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Fortinet FortiMail\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Fortinet FortiMail \u003c7.0.0"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-26100",
  "serverity": "\u4e2d",
  "submitTime": "2021-07-13",
  "title": "Fortinet FortiMail\u5b58\u5728\u672a\u660e\u6f0f\u6d1e"
}

CVE-2021-26100 (GCVE-0-2021-26100)

Vulnerability from cvelistv5 – Published: 2021-07-09 18:23 – Updated: 2024-10-25 13:57

Summary

A missing cryptographic step in the Identity-Based Encryption service of FortiMail before 7.0.0 may allow an unauthenticated attacker who intercepts the encrypted messages to manipulate them in such a way that makes the tampering and the recovery of the plaintexts possible.

Severity

5.9 (Medium)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-10-23 13:58 UTC

CWE

Improper Access Control

Assigner

fortinet mitre root

References

1 reference

URL	Tags
https://fortiguard.com/advisory/FG-IR-21-003	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
Fortinet	Fortinet FortiMail	Affected: FortiMail before 7.0.0

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T20:19:19.725Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://fortiguard.com/advisory/FG-IR-21-003"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2021-26100",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-10-23T13:58:44.534072Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-10-25T13:57:15.657Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Fortinet FortiMail",
          "vendor": "Fortinet",
          "versions": [
            {
              "status": "affected",
              "version": "FortiMail before 7.0.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A missing cryptographic step in the Identity-Based Encryption service of FortiMail before 7.0.0 may allow an unauthenticated attacker who intercepts the encrypted messages to manipulate them in such a way that makes the tampering and the recovery of the plaintexts possible."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Improper Access Control",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-07-09T18:23:01.000Z",
        "orgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
        "shortName": "fortinet"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://fortiguard.com/advisory/FG-IR-21-003"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "psirt@fortinet.com",
          "ID": "CVE-2021-26100",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Fortinet FortiMail",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "FortiMail before 7.0.0"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Fortinet"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A missing cryptographic step in the Identity-Based Encryption service of FortiMail before 7.0.0 may allow an unauthenticated attacker who intercepts the encrypted messages to manipulate them in such a way that makes the tampering and the recovery of the plaintexts possible."
            }
          ]
        },
        "impact": {
          "cvss": {
            "attackComplexity": "High",
            "attackVector": "Network",
            "availabilityImpact": "None",
            "baseScore": 5.6,
            "baseSeverity": "Medium",
            "confidentialityImpact": "High",
            "integrityImpact": "None",
            "privilegesRequired": "None",
            "scope": "Unchanged",
            "userInteraction": "None",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Improper Access Control"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://fortiguard.com/advisory/FG-IR-21-003",
              "refsource": "CONFIRM",
              "url": "https://fortiguard.com/advisory/FG-IR-21-003"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
    "assignerShortName": "fortinet",
    "cveId": "CVE-2021-26100",
    "datePublished": "2021-07-09T18:23:01.000Z",
    "dateReserved": "2021-01-25T00:00:00.000Z",
    "dateUpdated": "2024-10-25T13:57:15.657Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.